/Engine/Source/Runtime/Engine/Classes/Kismet/KismetMathLibrary.h
Quantizes the linear color with rounding and returns the result as an 8-bit color. This bypasses the SRGB conversion.
static [FColor](API\Runtime\Core\Math\FColor) LinearColor_QuantizeRound ( [FLinearColor](API\Runtime\Core\Math\FLinearColor) InColor )